Single crank double stroke flexible rope beam-pumping unit

Single crank double stroke flexible rope beam-pumping unit

  • CN 1,752,406 A
  • Filed: 10/28/2005
  • Published: 03/29/2006
  • Est. Priority Date: 10/28/2005
  • Status: Active Application
First Claim
Patent Images

1. , a kind of single crank double stroke flexible rope beam-pumping unit, comprise motor (1) and base (2), it is characterized in that:

  • base (2) the one end vertical fixing that link to each other with well head have support (3), horizontal fixed has first fixed pulley (4) in the same plane, support (3) upper end, second fixed pulley (5) and the 3rd fixed pulley (6), be fixed with motor (1) and reducer (8) under the other end of support (3) successively, output shaft (9) termination of reducer (8) is connected with crank (10), crank (10) upper end is connected with and described fixed pulley (4,5,6) in conplane movable pulley (11), the flexible actuated element (13) at hanging and well head center is walked around first fixed pulley (4) successively, second fixed pulley (5), be locked on the base (2) behind movable pulley (11) and the 3rd fixed pulley (6).

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